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Finding the Fourth Proportional to 534,838.12, 737,651.45 and 454,531.48

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Solution

The fourth proportional to 534,838.12, 737,651.45 and 454,531.48 is: 626,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,838.12 : 737,651.45 = 454,531.48 : x
  2. Step 2: Convert to fraction form
    534,838.12/737,651.45 = 454,531.48/x
  3. Step 3: Cross multiply
    534,838.12x = 737,651.45 × 454,531.48
  4. Step 4: Simplify right side
    534,838.12x = 335,285,805,292.65
  5. Step 5: Solve for x
    x = 335,285,805,292.65/534,838.12
  6. Step 6: Final answer
    x = 626,892.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.